Dinitrofluorobene
二硝基氟苯
🗣️ 情景例句
Did you bring your transcript from high school?
你把高中的成绩单带来了吗？
It is right to put everything in its proper use.
凡事都应该用得其所。
Today Ellis Island is a museum, showing the roots of America's new citizens, who came from all the corners of the earth.
今天，埃利斯岛成了一座博物馆，展示着来自世界各地的美国新公民的根源。